MCD Modbus Module Instructions
Appendix A - Modbus Control via Remote Operator
MG.17.F5.02 - VLT
® is a registered Danfoss trademark
15
11.8.2.
Programmable Parameters
The Remote Operator offers the following programmable parameters:
Parameter
Number
Description
Default
Setting
Adjustable Range
1
RS485 network
baud rate
4
(9600 baud)
2 = 2400 baud
3 = 4800 baud
4 = 9600 baud
5 = 19200 baud
6 = 38400 baud
2
RS485 network
satellite address
20
1 to 99
3
RS485 network
timeout
0 seconds
(= off)
0 to 100 seconds
4
RS485 network
protocol
1
(AP ASCII)
1 = AP ASCII protocol
2 = Modbus RTU protocol
5
Modbus protocol
parity
0
(no parity)
0 = no parity
1 = odd parity
2 = even parity
3 = 10-bit transmission
6
Motor FLC (A)
10
1 to 2868
7
Analog output
4 mA offset (%)
100
80 to 120
8
Start, Stop,
Quick stop
function disable
0
0 = Remote Operator and Network start, stop, quick stop
function enabled.
1 = Remote Operator start, stop, quick stop function
enabled. Network start, stop, quick stop function disabled.
2 = Remote Operator start, stop, quick stop function
disabled. Network start, stop, quick stop function enabled.
3 = Remote Operator start, stop, quick stop function
disabled. Network start, stop, quick stop function disabled.
,
9 Current
÷
10
0
0 = off (required for models MCD5-0084B ~ MCD5-1600C)
1 = on (required for models MCD5-0021B ~ MCD5-0068B)
Remote Operator Reset pushbutton is always enabled.
RS485 Network reset and forced communication trip functions are always enabled.
N.B.!:
Remote Operator Par. 9
Current
÷
10
normalises the displayed current and analog
output for models MCD5-0021B ~ MCD5-0068. Use Par. 9 in conjunction with Par. 6
Motor FLC
as follows:
1.
Set Par. 6 to a value 10 times greater than the actual motor nameplate FLC
(e.g. for actual FLC = 4.6 A, set Par. 6 to 46).
2.
Set Par. 9 = 1.